71678720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 177705360

約数和(自身を除く): 106026640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 1931, 2320, 3712, 3862, 4640, 7424, 7724, 9280, 9655, 15448, 18560, 19310, 30896, 37120, 38620, 55999, 61792, 77240, 111998, 123584, 154480, 223996, 247168, 279995, 308960, 447992, 494336, 559990, 617920, 895984, 1119980, 1235840, 1791968, 2239960, 2471680, 3583936, 4479920, 7167872, 8959840, 14335744, 17919680, 35839360, 71678720]

約数ペア:

[(1, 71678720), (2, 35839360), (4, 17919680), (5, 14335744), (8, 8959840), (10, 7167872), (16, 4479920), (20, 3583936), (29, 2471680), (32, 2239960), (40, 1791968), (58, 1235840), (64, 1119980), (80, 895984), (116, 617920), (128, 559990), (145, 494336), (160, 447992), (232, 308960), (256, 279995), (290, 247168), (320, 223996), (464, 154480), (580, 123584), (640, 111998), (928, 77240), (1160, 61792), (1280, 55999), (1856, 38620), (1931, 37120), (2320, 30896), (3712, 19310), (3862, 18560), (4640, 15448), (7424, 9655), (7724, 9280)]